Final answer:
The question is asking if a statement about Yuen's performances in different time periods is true or false.
Step-by-step explanation:
The subject of this question is History and the grade level is High School.
The question is asking if the statement is true or false. It states that Yuen did every season from the mid-50s to the mid-60s, and a few in the 70s. The answer to the question depends on whether Yuen did indeed perform during those time periods and if there is any evidence or documentation to support it.
Without any further information or context, it is difficult to determine the accuracy of the statement. More research or clarification may be needed to provide a definitive answer.